3212389 has 2 divisors, whose sum is σ = 3212390. Its totient is φ = 3212388.

The previous prime is 3212381. The next prime is 3212413. The reversal of 3212389 is 9832123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 756900 = 1567^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212389 - 2³ = 3212381 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606194 + 1606195.

It is an arithmetic number, because the mean of its divisors is an integer number (1606195).

Almost surely, 2^3212389 is an apocalyptic number.

It is an amenable number.

3212389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212389 is an equidigital number, since it uses as much as digits as its factorization.

3212389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 3212389 is about 1792.3138676024. The cubic root of 3212389 is about 147.5511878262.

It can be divided in two parts, 32 and 12389, that added together give a palindrome (12421).

The spelling of 3212389 in words is "three million, two hundred twelve thousand, three hundred eighty-nine".